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[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

CASE: Two Japanese women had a single ectopic ureter opening in the central wall of the vagina, ipsilateral kidney agenesis, and ipsilateral rudimentary uterine horn of the bicornuate uterus.

One had squamous cell carcinoma of the uterine cervix, and the other had adenocarcinoma of the vagina arising from the ectopic ureter meatus, which was histologically confirmed as fetal metanephric duct remnant.

One had vesico-vaginal fistula postoperatively, resulting from separating the ureter-like duct from the bladder.

Clinically, the ectopic vaginal ureter is important as a possible background of vaginal adenocarcinoma, and information on the ureter-like duct course is required during surgery.

With a working diagnosis of upper tract TCC, right open nephroureterectomy was performed.

Final histology showed prostatic adenocarcinoma infiltrating the adventitia of the entire ureter up to the level of the renal pelvis.

A rare cause of ureteric stricture, contiguous spread of prostatic adenocarcinoma, should be considered in the differential diagnosis of patients presenting with upper tract obstruction and a known history of prostatic adenocarcinoma.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

A 58-year-old man, who had undergone sigmoidectomy for sigmoid colon adenocarcinoma 3 years earlier, was referred to our clinic because of left ureteral tumor incidentally found by computed tomography (CT).

Under the diagnosis of left ureteral carcinoma, retroperitoneoscopic left nephroureterectomy was performed.

Pathological examination revealed adenocarcinoma of the left renal pelvis and ureter.

Subtype of the adenocarcinoma was 'enteric type'.

By the transurethral resection of the tumors, bladder tumors appeared to be adenocarcinoma.

Carefully considering the pathological findings and clinical course, we concluded that the tumor was not metastatic but primary adenocarcinoma followed by intravesical recurrence.

This case of ureteral endometrioid adenocarcinoma highlights the importance of obtaining a careful history and maintaining a high index of suspicion for malignant degeneration, especially in the context of hyperestrogenism.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

Primary adenocarcinoma of the seminal vesicles is a rare neoplasm.

To the best of our knowledge, mucinous adenocarcinoma of the seminal vesicle cyst that's associated with an ectopic ureter opening into the seminal vesicle and ipsilateral renal agenesis has not been described in the radiological literature.

We report here on the radiological findings of a primary adenocarcinoma of a seminal vesicle cyst in this condition.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] [A case of sigmoid colon cancer that spread to the urinary bladder via the ureter].

Ultrasonography (US) and computed tomography (CT) detected the compression of the ureter at its middle left due to the enlargement of the left iliac lymph node and hydronephrosis and hydroureter at the proximal to the compressed part.

Then, a ureteral tumor was suspected and urinary cytology was class V.

Cystoscopy detected a papillary tumor projecting from the left ureteral orifice.

Because the histopathological manifestation by transurethral resection of bladder tumor and that by the sidmoidectomy were consistent, it was considered that sigmoid colon cancer spread to the urinary bladder via the left ureter.

There have been only 4 reported cases of adenocarcinoma that multiplied in the ureter, and this is the fifth case report.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Ileocecal adenocarcinoma and ureteral transitional cell carcinoma with multiple sebaceous tumors and keratoacanthomas in a case of muir-torre syndrome.

We report a 56-year-old man with a diagnosis of hereditary nonpolyposis colorectal cancer (HNPCC) and ureteral transitional cell carcinoma who subsequently developed two sebaceous gland neoplasms and several keratoacanthomas, leading to the diagnosis of MTS.

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[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Endometrioid adenocarcinoma with squamous differentiation arising from ureteral endometriosis in a patient with no history of gonadal endometriosis.

CASE: An endometrioid carcinoma with squamous differentiation arising from periureteral endometriosis presented as a pelvic mass encasing the right ureter.

CONCLUSION: This is the second case of a malignancy arising in endometriosis presenting as an obstructive ureteral mass and the first case of a patient with this condition whose endometriosis is not consistent with a gonadal origin.

[Publication-type] Case Reports; English Abstract; Journal Article

[Publication-country] Japan

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

As with the increasingly common presence of laparoscopic surgery in renal adenocarcinoma, the same situation is also occurring with radical management of tumours of the upper urothelium.

In this type of clinical condition, it is important to emphasize the different ways to mobilise the distal ureter (with transuretral resection or unroofing, pure laparoscopy, or open), and to take into account that this tumour has the highest risk of implantation at the ports of entry.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

For a patient who has rectal carcinoma invading into the prostate and seminal vesicles and not invading into any other pelvic viscera, we performed combined radical retropubic prostatectomy and abdominoperineal excision of the rectum with reconstruction of the urinary tract by anastomosis of the ureter to the bladder.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

[Title] Recurrent obstructions after resonance stent placement in the treatment of ureteral compression from malignant disease.

BACKGROUND: The Resonance ureteral stent is a newly developed all-metallic double-pigtail ureteral stent allowing a palliative diversion on a patient with malignant ureteral obstruction.

Twelve days earlier, we had placed retrogradely a ureteral metallic Resonance stent (Resonance; Cook Ireland Ltd,Limerick, Ireland) for the treatment of a ureteral compression from pelvic recurrence of an appendical colloid mucosal carcinoma in a solitary functioning right kidney.

[Source] The source of this record is MEDLINE®, a database of the U.S. National Library of Medicine.

Women who had the word(s) "ureteric," "ureter," "stent," "stents," and "stented" either in their operation notes or the multidisciplinary meeting discussions were filtered to identify those who had a ureteric stent inserted.

Nine women had a stent inserted because of the presence of a hydroureter, 3 for ureteric stricture and 2 to protect a flimsy or fragile ureter after ureteric dissection and tumor debulking.

The 12 cases of urological malignancies included one case of renal cell carcinoma, one case of transplanted kidney carcinoma, two cases of bilateral pelvic transitional cell carcinoma (TCC), three cases of unilateral pelvic TCC, one case of bilateral ureter TCC, one case of unilateral ureter TCC, and three cases of bladder TCC.

The age at which the diagnosis was made ranged from 48 to 66 years with a mean of 58.3 +/- 4.6 years, and the mean course of immunosuppressive therapy ranged from 26 to 120 months with a mean of 62 +/- 18 months.

One of the 12 patients died soon after the diagnosis was made, and the remaining 11 patients received surgical resection.

Treatment includes early diagnosis, timely surgical resection, and reduction of immunosuppressive agents.